EP1251268A2 - Dispositif de connexion des arbres d'une éolienne - Google Patents

Dispositif de connexion des arbres d'une éolienne Download PDF

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Publication number
EP1251268A2
EP1251268A2 EP02008952A EP02008952A EP1251268A2 EP 1251268 A2 EP1251268 A2 EP 1251268A2 EP 02008952 A EP02008952 A EP 02008952A EP 02008952 A EP02008952 A EP 02008952A EP 1251268 A2 EP1251268 A2 EP 1251268A2
Authority
EP
European Patent Office
Prior art keywords
rotor shaft
coupling device
shaft
coupling
connecting element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02008952A
Other languages
German (de)
English (en)
Other versions
EP1251268A3 (fr
EP1251268B1 (fr
Inventor
Markus Becker
Roland Weitkamp
Vincent Schellings
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
Enron Wind GmbH
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Enron Wind GmbH, General Electric Co filed Critical Enron Wind GmbH
Publication of EP1251268A2 publication Critical patent/EP1251268A2/fr
Publication of EP1251268A3 publication Critical patent/EP1251268A3/fr
Application granted granted Critical
Publication of EP1251268B1 publication Critical patent/EP1251268B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
    • F16D1/033—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D15/00—Transmission of mechanical power
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D15/00—Transmission of mechanical power
    • F03D15/10—Transmission of mechanical power using gearing not limited to rotary motion, e.g. with oscillating or reciprocating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/10—Stators
    • F05B2240/14—Casings, housings, nacelles, gondels or the like, protecting or supporting assemblies there within
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/60—Shafts
    • F05B2240/61—Shafts hollow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/30—Retaining components in desired mutual position
    • F05B2260/301—Retaining bolts or nuts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/40—Transmission of power
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Definitions

  • the invention relates to a coupling device for a wind turbine with a at least one rotor blade of the wind turbine carrying rotor shaft, one coaxial to the Rotor shaft extending gear shaft and a coupling the rotor shaft to the gear shaft Coupling device.
  • the rotor rotation over which the rotor blades may via a rotor shaft attached to the hub on the input shaft of a gearbox transmitted, the output shaft connected to a generator for power generation is.
  • the transmission and the generator are usually rotatable in one Tower of the wind turbine housed machine housing. The height this tower can be 100 m or more.
  • the Rotor shaft to the gear shaft coupling coupling device is designed so that the Gear shaft can be quickly and easily detached from the rotor shaft. Furthermore this coupling device must also transmit interference-free bending torque and torque of a diameter of one meter or more Allow rotor shaft on the gear shaft. In known coupling devices for Wind turbines will transfer this bending moment and torque with the help of So-called clamping sets achieved with which the gear shaft designed as a hollow shaft in a radial Direction is pressed onto the rotor shaft inserted into the gear shaft.
  • Torque transmission devices have already been used to solve these problems proposed for wind turbines in which the end of the rotor shaft facing Gear shaft has a flange-like radial extension and the coupling of the gear shaft to the rotor shaft with the help of this flange-like extension and engaging in an end face of the rotor shaft facing the gear shaft Bolt is effected.
  • the rotor shaft of the known torque transmission devices also one or more recording rooms to accommodate one Connecting element for rotationally positive connection of the rotor shaft with the Have gear shaft, with corresponding receiving spaces in the gear shaft are provided.
  • the invention is based on the object a coupling device for a wind turbine of the type described above Provide kind that further ease of maintenance as well as simple Assembly enables.
  • this object is achieved by developing the known coupling devices solved, which is essentially characterized in that the coupling device at least one with one for establishing a positive connection designed fastener releasably fastened to the rotor shaft connecting element and one for establishing a frictional connection between the Connecting element on the one hand and another connecting element and / or the gear shaft on the other hand, designed coupling element.
  • the gearbox bearing can first be mounted on the gearbox shaft postponed and only then the attachment of the further connecting element on the gear shaft and the frictional connection of the individual connecting elements is effected together.
  • this connecting element can be a fastening element in the form of a connecting element penetrating and in the face of the gear shaft facing the rotor shaft used adapter sleeve can be used.
  • the connecting element can also be used to penetrate this connecting element and in the preferably radially widened end region facing the rotor shaft the adapter shaft inserted form-fitting on the gear shaft be attached.
  • At least one clamping sleeve inserted into the end face of the rotor shaft is coaxial to an adapter sleeve inserted into the end region of the gear shaft, can a bias of the connection between the rotor shaft, the connecting elements and the gear shaft with the help of another, penetrating this adapter sleeve and for Establishing a frictional connection between the rotor shaft and the gear shaft designed coupling element, which is advantageously in the form of a Rotor shaft or screw bolt inserted into the gear shaft is generated become.
  • Coupling element can also the bending moments from the rotor shaft to the gear shaft are transmitted, so that the coupling elements, which may be displaced radially outwards to relieve.
  • These coupling elements can also be in the form of coupling bolts, especially bolts, with approximately parallel to the longitudinal axis of the Bolt axes extending rotor shaft, at least one of the radial coupling elements shifted outward, the connecting element and / or the further Interconnected element.
  • the coupling device a plurality of preferably in constant distances in the circumferential direction of the rotor shaft distributed Has coupling elements, each at the same radial distance from the axis of rotation the rotor shaft can be arranged.
  • Connecting element and / or the further connecting element from a weaker Material consists and / or is easier to deform than the rotor shaft, the gear shaft and / or the fastening bolt, because with this construction bending moments in the first place Line are taken up by the waves or other coupling elements and before their transfer to the coupling elements initially to deform the connecting elements to lead.
  • Easier deformability can not only be achieved by appropriate Choice of materials, but also through an appropriate geometric design of the connecting elements can be achieved. This geometric design can be profiled of the connecting elements and / or predetermined bending points in the connecting elements bring forth.
  • the coupling device of the invention Device in a preferred embodiment of the invention Locking arrangement for locking the rotor shaft and thus also the one carried by it Rotor blades on. This locking can be done with a radial and / or axial form fit can be achieved.
  • locking arrangement has at least one locking element for locking the rotor shaft in at least one predetermined rotational position having.
  • This locking element can be at least one with respect to the rotor shaft include radially outward locking opening into which to lock the rotor a locking bolt is inserted.
  • the locking arrangement has expediently a the connecting element and / or the further connecting element revolving and preferably on the releasably attached to the rotor shaft Connection element set locking ring.
  • this preferred locking arrangement can the rotor shaft without affecting the solution of the gear shaft of which are locked.
  • the torque transmission device shown in the drawing includes a designed as a hollow shaft (see FIG. 2) rotor shaft 10.
  • This rotor shaft 10 is at one End connected to a hub 12 of the rotor, said hub 12 a total of three Has recesses for receiving a rotor blade.
  • the end of the hub 12 is connected to the rotor shaft 10 with a bearing rotating around it 14 rotatably mounted.
  • the rotor shaft 10 connected to the input shaft 30 of a transmission 40.
  • the output shaft 42 of the Gear 40 is connected to a generator 50.
  • the bearing 14, the coupling device 20, the transmission 40 and the generator 50 are all in one with the help of one with 60 designated pivot bearing rotatable on the tower (not shown) of a wind turbine stored.
  • the gear shaft 30 has on its End facing rotor shaft 10 has a radially widened end region in the manner of a flange 32 on.
  • the coupling device 20 essentially comprises a first flange 110, a second flange 130 and a plurality of the first flange 110 with the second flange 130 connecting coupling elements 112.
  • the flange 110 is with a A plurality of circumferentially arranged one behind the other and penetrating the flange 110 and inserted into the end face of the rotor shaft 10 facing the transmission shaft 30 Adapter sleeves 24 attached to the rotor shaft 10.
  • the flange 130 is also included a plurality of this flange 130 arranged one behind the other in the circumferential direction penetrating and inserted into the radially widened end region of the gear shaft 30 Adapter sleeves 34 attached to the gear shaft 30.
  • the combination of rotor shaft 10 and associated flange 110 and gear shaft 30 and associated flange 130 preferably machined in a single setup for optimal load-bearing capacity to ensure the clamping sleeves 24 and 34.
  • the adapter sleeves 24 and 34 are each arranged coaxially to each other.
  • a frictional, bending moment receiving connection between the rotor shaft 10 and the transmission shaft 30 are a plurality of bolts each passing through one of the clamping sleeves 34 and 24 134 is provided, which in the end face of the rotor shaft facing the transmission shaft are screwed in.
  • the flange 110 has a larger diameter than the rotor shaft 10 and bears against an end face of the rotor shaft 10 facing the transmission shaft 30.
  • the flange is a point lying radially outside the lateral surface of the rotor shaft 10 110 with the aid of the coupling elements 112 formed as screw bolts on the flange 130 attached. Furthermore, the flanges 110 and 130 are mutually connected by a centering seat 150 centered.
  • the flanges 110 and 130 are provided with profiles 111 and 131, which are predetermined bending points form in the flange 110 and 130, so that any bending moments of the bolts 134 are transmitted, while the coupling elements 112 through elastic deformation of the flanges 110, 130 can be kept free of bending load.
  • the flanges 110 and 130 can also be made of one compared to the rotor shaft 10, gear shaft 30 and the fastening bolt 134 formed of weaker material be so as to transfer the occurring during the operation of a wind turbine Avoid bending moments on the coupling elements.
  • the flange 110 is surrounded by a locking ring 120, which is a plurality of radial has outward-facing locking openings 122. Can in these locking openings not to lock the rotor shaft in a predetermined rotational position in the drawing locking bolts shown are used, the radially outer Arrangement of the locking openings achieved that only one comparatively for locking the rotor shaft low force is required. As shown in Fig. 4, the inner boundary surface of the locking ring 120 about the same diameter as the detachable on the Gear shaft 30 fixed flange 130.
  • the transmission 40 can be without significant horizontal movement of the rotor shaft 10 and / or the gear 40 themselves can be detached from the rotor shaft 10. Rather, they have to be solved Units only by a distance corresponding to the axial length of the centering seat 150 horizontally apart.
  • This solution is also the rotor shaft 10 of the gear shaft 30 or the assembly of the rotor shaft 10 on the gear shaft 30 with a comparatively low workload because only the as Bolt formed coupling elements 112 and also as a bolt trained fasteners 134 must be loosened or tightened.
  • the connection can be without a comparatively long operating time Difficulties will be solved.
  • the device explained with reference to the drawing offers constructive advantages because the locking arrangement for the rotor in the coupling device 20 is integrated and for this reason no additional material or additional Mass is required for the realization of the locking arrangement. Also opened the device according to the invention the possibility to design the rotor shaft as a hollow shaft.
  • the invention is not based on the exemplary embodiment explained with reference to the drawing limited. In particular, there is also thought of such designs in which instead of a solid shaft is also used in the hollow shaft. Also, instead of the locking holes Locking bolts can be provided on the locking rings 120, which with corresponding Interact with the locking sleeves.
EP02008952.0A 2001-04-20 2002-04-22 Dispositif de connexion des arbres d'une éolienne Expired - Lifetime EP1251268B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10119427 2001-04-20
DE10119427A DE10119427A1 (de) 2001-04-20 2001-04-20 Kopplungsvorrichtung für eine Windkraftanlage

Publications (3)

Publication Number Publication Date
EP1251268A2 true EP1251268A2 (fr) 2002-10-23
EP1251268A3 EP1251268A3 (fr) 2005-11-23
EP1251268B1 EP1251268B1 (fr) 2017-01-11

Family

ID=7682116

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02008952.0A Expired - Lifetime EP1251268B1 (fr) 2001-04-20 2002-04-22 Dispositif de connexion des arbres d'une éolienne

Country Status (4)

Country Link
US (1) US6833632B2 (fr)
EP (1) EP1251268B1 (fr)
DE (1) DE10119427A1 (fr)
DK (1) DK1251268T3 (fr)

Cited By (12)

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US6750559B2 (en) * 2001-04-20 2004-06-15 General Electric Company Wind power plant with a movable container
US6759758B2 (en) 2002-06-13 2004-07-06 Manuel Torres Martinez Wind turbines for electrical power generation
WO2007085644A1 (fr) * 2006-01-28 2007-08-02 Lohmann & Stolterfoht Gmbh Ligne de transmission entre un rotor et un dispositif de commande d'une installation à énergie éolienne
EP2075466A1 (fr) * 2007-12-28 2009-07-01 Gamesa Innovation & Technology, S.L. Procédé pour le raccordement de l' arbre principal à vitesse réduite d'une éolienne sur l'arbre d'entrée de la boîte de vitesse de l'éolienne et dispositif de liaison selon ledit procédé
EP2192299A2 (fr) * 2008-11-26 2010-06-02 General Electric Company Accouplement d'arbres dans une éolienne
WO2011015215A1 (fr) * 2009-08-05 2011-02-10 Powerwind Gmbh Collerette de cisaillement pour éolienne
EP2343454A1 (fr) * 2010-01-11 2011-07-13 Ecotecnia Energias Renovables S.L. Dispositif de blockage de commande auxiliaire d'éolienne
US8197215B2 (en) 2007-12-21 2012-06-12 Vestas Wind Systems A/S Drive train for a wind turbine
CN101663482B (zh) * 2007-03-26 2013-08-14 再生动力系统欧洲公司 风能设备的构件的连接结构
CN106644465A (zh) * 2016-11-24 2017-05-10 沈阳鼓风机集团风电有限公司 风电齿轮箱的试验装置
EP3101276A4 (fr) * 2014-01-30 2017-10-04 JTEKT Corporation Élément d'accouplement destiné à un appareil de production d'énergie éolienne et appareil de production d'énergie éolienne
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IT1398060B1 (it) 2010-02-04 2013-02-07 Wilic Sarl Impianto e metodo di raffreddamento di un generatore elettrico di un aerogeneratore, e aerogeneratore comprendente tale impianto di raffreddamento
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ITMI20110378A1 (it) 2011-03-10 2012-09-11 Wilic Sarl Macchina elettrica rotante per aerogeneratore
JP5841662B2 (ja) * 2011-07-15 2016-01-13 ツェットエフ ウィンド パワー アントワープ エヌ ヴイＺｆ Ｗｉｎｄ Ｐｏｗｅｒ Ａｎｔｗｅｒｐｅｎ Ｎ．Ｖ． 風力タービン用のナセルメインフレーム構造体及びドライブトレインアセンブリ
US8500400B2 (en) 2011-09-20 2013-08-06 General Electric Company Component handling system for use in wind turbines and methods of positioning a drive train component
EP2620637B1 (fr) 2012-01-24 2016-09-28 Nordex Energy GmbH Dispositif de verrouillage pour la transmission d'une éolienne ainsi que procédé de verrouillage de la transmission
CN103671845B (zh) * 2012-09-18 2016-12-21 中车北京南口机械有限公司 风电齿轮箱试验台连接装置以及风电齿轮箱试验台
CN104964024B (zh) * 2015-06-26 2017-04-12 广东明阳风电产业集团有限公司 一种风力发电机组主机运输用的传动系统固定装置
US9757821B2 (en) 2015-06-30 2017-09-12 General Electric Company System and method for in-situ resurfacing of a wind turbine main rotor shaft
US10612420B2 (en) * 2016-11-17 2020-04-07 General Electric Company Support structures for rotors
CN108661864B (zh) * 2017-03-29 2022-03-22 通用电气公司 用于风轮机的齿轮箱组件的修理方法
WO2020143889A1 (fr) * 2019-01-10 2020-07-16 Vestas Wind Systems A/S Mécanisme de verrouillage pour générateur éolien
CN112664392A (zh) 2019-10-15 2021-04-16 通用电气公司 用于在延长的维护期间锁定风力涡轮转子的系统和方法
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US6833632B2 (en) 2004-12-21
EP1251268A3 (fr) 2005-11-23
DE10119427A1 (de) 2002-10-24
DK1251268T3 (en) 2017-04-10
US20030102677A1 (en) 2003-06-05
EP1251268B1 (fr) 2017-01-11

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